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    Multifrequency Excitation of a Clamped-Clamped Microbeam

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    Type
    Conference Paper
    Authors
    Jaber, Nizar cc
    Ramini, Abdallah
    Younis, Mohammad I. cc
    KAUST Department
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2016-01-20
    Online Publication Date
    2016-01-20
    Print Publication Date
    2015-08-02
    Permanent link to this record
    http://hdl.handle.net/10754/621349
    
    Metadata
    Show full item record
    Abstract
    We present analytical and experimental investigation of an electrically actuated clamped-clamped microbeam under a twosource harmonic excitation. The first frequency is swept around the first mode of vibration where the second one is fixed. These microbeams are fabricated using polyimide as structural layer coated with nickel form top and chromium and gold layers from bottom. We demonstrate the excitation of additive and subtractive type resonance. We show that by properly tuning the frequency and the amplitude of the excitation force, the frequency bandwidth of the resonator is increased. Theoretically, we solved the eigenvalue problem for different axial forces to find the natural frequencies ratio that match the experimental values. Using Galerkin method, a reduced order model is derived to simulate the static and dynamic response of the device where using three symmetric mode shapes provided a good agreement with experimental data. © Copyright 2015 by ASME.
    Citation
    Jaber NR, Ramini A, Younis M (2015) Multifrequency Excitation of a Clamped-Clamped Microbeam. Volume 4: 20th Design for Manufacturing and the Life Cycle Conference; 9th International Conference on Micro- and Nanosystems. Available: http://dx.doi.org/10.1115/DETC2015-47150.
    Publisher
    ASME International
    Journal
    Volume 4: 20th Design for Manufacturing and the Life Cycle Conference; 9th International Conference on Micro- and Nanosystems
    Conference/Event name
    ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2015
    DOI
    10.1115/DETC2015-47150
    ae974a485f413a2113503eed53cd6c53
    10.1115/DETC2015-47150
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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